1. petitionary - Adjective
2. petitionary - Adjective Satellite
Supplicatory; making a petition.
Containing a petition; of the nature of a petition; as, a petitionary epistle.
Source: Webster's dictionarythe petitionary procedure had a quality of indecisiveness Source: Internet
Byrd evolved a special "cell" technique for setting the petitionary clauses such as miserere mei or libera nos Domine which form the focal point for a number of the texts. Source: Internet
A special feature of the four-part and five-part Masses is Byrd's treatment of the Agnus Dei, which employ the technique which Byrd had previously applied to the petitionary clauses from the motets of the 1589 and 1591 Cantiones sacrae. Source: Internet